Home / 18,520.92-25,557.42-10,562.64

Finding the Fourth Proportional to 18,520.92, 25,557.42 and 10,562.64

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Solution

The fourth proportional to 18,520.92, 25,557.42 and 10,562.64 is: 14,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520.92 : 25,557.42 = 10,562.64 : x
  2. Step 2: Convert to fraction form
    18,520.92/25,557.42 = 10,562.64/x
  3. Step 3: Cross multiply
    18,520.92x = 25,557.42 × 10,562.64
  4. Step 4: Simplify right side
    18,520.92x = 269,953,826.79
  5. Step 5: Solve for x
    x = 269,953,826.79/18,520.92
  6. Step 6: Final answer
    x = 14,575.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.